verb
1.
to make alive or lively
warm spring days that quicken the earth
Synonyms: animate, enliven, liven, vivificate, vivify
Related Word: activate, energize, vitalize; arouse, awaken, rouse, stir, wake
Contrasted words: blunt, dull; slow (down)
Antonyms: deaden
2.
Synonyms: provoke 4, excite, galvanize, innervate, innerve, motivate, move, pique, rouse, stimulate
Related Word: activate, actuate, motivate; goad, induce, spur
Contrasted words: check, halt, interrupt, stall, stay; curb, inhibit, restrain
Antonyms: arrest
3.
Synonyms: speed 3, accelerate, hasten, hurry, shake up, step up, swiften
Contrasted words: bog (down), detain, embog, hang up, mire
Antonyms: slacken